Control panel



FIG. 1 is a perspective view of a control panel showing an embodiment of our new ornamental design;

FIG. 2 is an enlarged perspective view thereof, isolating on the control panel;

FIG. 3 is an enlarged front view thereof;

FIG. 4 is an enlarged top view thereof;

FIG. 5 is an enlarged left side view thereof;

FIG. 6 is an enlarged right side view thereof; and,

FIGS. 7-12 are non-shaded views thereof.

The broken lines represent environment or structure and do not form a portion of the claimed design. 

CLAIM The ornamental design for a control panel, as shown and described. 